7912640

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:409

約数の個数: 56

約数和(自身を含む): 19141440

約数和(自身を除く): 11228800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 313, 316, 320, 395, 626, 632, 790, 1252, 1264, 1565, 1580, 2504, 2528, 3130, 3160, 5008, 5056, 6260, 6320, 10016, 12520, 12640, 20032, 24727, 25040, 25280, 49454, 50080, 98908, 100160, 123635, 197816, 247270, 395632, 494540, 791264, 989080, 1582528, 1978160, 3956320, 7912640]

約数ペア:

[(1, 7912640), (2, 3956320), (4, 1978160), (5, 1582528), (8, 989080), (10, 791264), (16, 494540), (20, 395632), (32, 247270), (40, 197816), (64, 123635), (79, 100160), (80, 98908), (158, 50080), (160, 49454), (313, 25280), (316, 25040), (320, 24727), (395, 20032), (626, 12640), (632, 12520), (790, 10016), (1252, 6320), (1264, 6260), (1565, 5056), (1580, 5008), (2504, 3160), (2528, 3130)]